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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Copyright © 1999-2010 David Woodhouse <[email protected]>
- */
- #ifndef __MTD_NFTL_H__
- #define __MTD_NFTL_H__
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/blktrans.h>
- #include <mtd/nftl-user.h>
- /* these info are used in ReplUnitTable */
- #define BLOCK_NIL 0xffff /* last block of a chain */
- #define BLOCK_FREE 0xfffe /* free block */
- #define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */
- #define BLOCK_RESERVED 0xfffc /* bios block or bad block */
- struct NFTLrecord {
- struct mtd_blktrans_dev mbd;
- __u16 MediaUnit, SpareMediaUnit;
- __u32 EraseSize;
- struct NFTLMediaHeader MediaHdr;
- int usecount;
- unsigned char heads;
- unsigned char sectors;
- unsigned short cylinders;
- __u16 numvunits;
- __u16 lastEUN; /* should be suppressed */
- __u16 numfreeEUNs;
- __u16 LastFreeEUN; /* To speed up finding a free EUN */
- int head,sect,cyl;
- __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */
- __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */
- unsigned int nb_blocks; /* number of physical blocks */
- unsigned int nb_boot_blocks; /* number of blocks used by the bios */
- struct erase_info instr;
- };
- int NFTL_mount(struct NFTLrecord *s);
- int NFTL_formatblock(struct NFTLrecord *s, int block);
- int nftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
- size_t *retlen, uint8_t *buf);
- int nftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
- size_t *retlen, uint8_t *buf);
- #ifndef NFTL_MAJOR
- #define NFTL_MAJOR 93
- #endif
- #define MAX_NFTLS 16
- #define MAX_SECTORS_PER_UNIT 64
- #define NFTL_PARTN_BITS 4
- #endif /* __MTD_NFTL_H__ */
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